The Sadad QA Payment WordPress plugin through 1.28 does not correctly verify the authenticity of incoming payment notifications, as the verification is keyed on a merchant secret that is empty by default and the rest of the signed data is attacker-controlled, allowing unauthenticated attackers to forge a valid confirmation and mark orders as paid without payment.

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Fixes

Solution

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Workaround

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History

Wed, 28 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Description The Sadad QA Payment WordPress plugin through 1.28 does not correctly verify the authenticity of incoming payment notifications, as the verification is keyed on a merchant secret that is empty by default and the rest of the signed data is attacker-controlled, allowing unauthenticated attackers to forge a valid confirmation and mark orders as paid without payment.
Title Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Payment Confirmation via Signature Bypass
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-28T10:45:12.352Z

Reserved: 2026-09-30T12:39:54.818Z

Link: CVE-2026-103330

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-28T11:17:13.857

Modified: 2026-10-28T11:17:13.857

Link: CVE-2026-103330

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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